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The Price of Correlation Risk: Evidence from Equity Options

Journal of Finance 2009 64(3), 1377-1406
We study whether exposure to marketwide correlation shocks affects expected option returns, using data on S&P100 index options, options on all components, and stock returns. We find evidence of priced correlation risk based on prices of index and individual variance risk. A trading strategy exploiting priced correlation risk generates a high alpha and is attractive for CRRA investors without frictions. Correlation risk exposure explains the cross-section of index and individual option returns well. The correlation risk premium cannot be exploited with realistic trading frictions, providing a limits-to-arbitrage interpretation of our finding of a high price of correlation risk.

The Price of Correlation Risk: Evidence from Equity Options

Journal of Finance 2009 64(3), 1377-1406 open access
We study whether exposure to marketwide correlation shocks affects expected option returns, using data on S&P100 index options, options on all components, and stock returns. We find evidence of priced correlation risk based on prices of index and individual variance risk. A trading strategy exploiting priced correlation risk generates a high alpha and is attractive for CRRA investors without frictions. Correlation risk exposure explains the cross‐section of index and individual option returns well. The correlation risk premium cannot be exploited with realistic trading frictions, providing a limits‐to‐arbitrage interpretation of our finding of a high price of correlation risk.

Does Skin in the Game Matter? Director Incentives and Governance in the Mutual Fund Industry

Journal of Financial and Quantitative Analysis 2009 44(6), 1345-1373
We use a unique database on ownership stakes of equity mutual fund directors to analyze whether the directors’ incentive structure is related to fund performance. Ownership of both independent and nonindependent directors plays an economically and statistically significant role. Funds in which directors have low ownership, or “skin in the game,” significantly underperform. We posit two economic mechanisms to explain this relation. First, lack of ownership could indicate a director’s lack of alignment with fund shareholder interests. Second, directors may have superior private information on future performance. We find evidence in support of the first and against the second mechanism.